How to judge the sound quality of a speaker

　　Often, the evaluation of sound effects, different people will give very subjective evaluations based on their own feelings. There are many factors that determine the sound quality of a sound, such as cavity design, materials, workmanship, speakers, chips, debugging, etc. As an ordinary consumer, what dimensions do we judge the so-called sound quality from? ? Grab the following key points:

　　1. Sense of space, is it immersive enough?

　　The sense of space is one of the most intuitive feelings of the listener. It is a panorama of the sound field atmosphere, which is caused by the sound in the room reaching the listener from different directions. Human hearing cannot determine these directions separately, but can get a general impression, which is the sense of space. The sound distortion is small, the dynamic range is large, the transient response is good, the sound image orientation of various sound sources is accurate and clear, there is a complete sound image group distribution, and the sound has layers and orientations, creating an immersive feeling. Then the sound quality is outstanding.

　　2. Balance, whether the three frequencies are coordinated

　　The energy of most musical instruments, including human voice, is in the mid-range; the human ear is also most sensitive to the mid-range, so the problem of the mid-range is very important to the speaker system. The coloration caused by the peaks and valleys of this frequency band and some resonances directly affects the timbre. The quality of high-frequency playback is one of the key differences between HiFi systems and non-HiFi systems. The corresponding amplitude of the high frequency frequency is too high, or the resonance is too much, which will cause poor high frequency performance. Good low frequencies are precise tunes, clean and clear hits that can distinguish every rhythm.

　　Whether the three frequencies are coordinated is the most basic aspect of evaluating a speaker system. If it sounds too high frequency, the performance of the system is called too bright; if there is too little high frequency, the system is too dark. If the low frequency overwhelms other frequency bands, it sounds too dull; if there is too little low frequency, it is called too thin or too dry.

　　Good sound quality means the balance of the channels between the speakers, the consistency of gain, frequency response and other characteristics is good, the sound image does not shift normally, the energy of high frequency, mid frequency and low frequency is balanced, and no part can be particularly strong or weak.

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